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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/cam/cam_xpt_sim.h
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/*-

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 * Data structures and definitions for dealing with the 

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 * Common Access Method Transport (xpt) layer.

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 *

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 * SPDX-License-Identifier: BSD-2-Clause

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 *

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 * Copyright (c) 1997 Justin T. Gibbs.

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 * All rights reserved.

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 *

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 * Redistribution and use in source and binary forms, with or without

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 * modification, are permitted provided that the following conditions

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 * are met:

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 * 1. Redistributions of source code must retain the above copyright

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 *    notice, this list of conditions, and the following disclaimer,

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 *    without modification, immediately at the beginning of the file.

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 * 2. The name of the author may not be used to endorse or promote products

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 *    derived from this software without specific prior written permission.

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 *

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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR

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 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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 * SUCH DAMAGE.

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 */

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#ifndef _CAM_CAM_XPT_SIM_H

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#define _CAM_CAM_XPT_SIM_H 1

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#include <cam/cam_xpt.h>

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#include <cam/cam_queue.h>

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/* Functions accessed by SIM drivers */

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#ifdef _KERNEL

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int		xpt_bus_register(struct cam_sim *sim, device_t parent,

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				 uint32_t bus);

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int		xpt_bus_deregister(path_id_t path_id);

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uint32_t	xpt_freeze_simq(struct cam_sim *sim, u_int count);

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void		xpt_release_simq(struct cam_sim *sim, int run_queue);

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uint32_t	xpt_freeze_devq(struct cam_path *path, u_int count);

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void		xpt_release_devq(struct cam_path *path,

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		    u_int count, int run_queue);

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void		xpt_done(union ccb *done_ccb);

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void		xpt_done_direct(union ccb *done_ccb);

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#endif

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#endif /* _CAM_CAM_XPT_SIM_H */

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